code: def separate_sources(
      model,
      mix,
      segment=10.0,
      overlap=0.1,
      device=None,
  ):
      """
      Apply model to a given mixture. Use fade, and add segments together in order to add model segment by segment.
  
      Args:
          segment (int): segment length in seconds
          device (torch.device, str, or None): if provided, device on which to
              execute the computation, otherwise `mix.device` is assumed.
              When `device` is different from `mix.device`, only local computations will
              be on `device`, while the entire tracks will be stored on `mix.device`.
      """
      if device is None:
          device = mix.device
      else:
          device = torch.device(device)
  
      batch, channels, length = mix.shape
  
      chunk_len = int(sample_rate * segment * (1 + overlap))
      start = 0
      end = chunk_len
      overlap_frames = overlap * sample_rate
      fade = Fade(
          fade_in_len=0,
          fade_out_len=int(overlap_frames),
          fade_shape="linear",
      )
  
      final = torch.zeros(
          batch, len(model.sources), channels, length, device=device
      )
  
      while start < length - overlap_frames:
          chunk = mix[:, :, start:end]
          with torch.no_grad():
              out = model.forward(chunk)
          out = fade(out)
          final[:, :, :, start:end] += out
          if start == 0:
              fade.fade_in_len = int(overlap_frames)
              start += int(chunk_len - overlap_frames)
          else:
              start += chunk_len
          end += chunk_len
          if end >= length:
              fade.fade_out_len = 0
      return final
  
file_path: audio/examples/tutorials/hybrid_demucs_tutorial.py
imports: import torch
  import torchaudio
  import matplotlib.pyplot
  from IPython.display import Audio
  from mir_eval import separation
  from torchaudio.pipelines import HDEMUCS_HIGH_MUSDB_PLUS
  from torchaudio.utils import download_asset
  from torchaudio.transforms import Fade
label_desc: Use image node_id 1 for calling a global function with example usage: separate_sources(model, mix, segment, overlap, device) and returns: final